by*Credit:* NASA [ http://www.nasa.gov/ ], NOAO, ESA [ http://spacetelescope.org/ ], the Hubble Helix Nebula Team, M. Meixner (STScI [ http://www.stsci.edu/ ]), and T.A. Rector (NRAO).
*Description*: This cropped version of the Helix Nebula mosaic shows cometary-filaments embedded along a portion of the inner rim of the nebula's red and blue gas ring. At a distance of 650 light-years, the Helix is one of the nearest planetary nebulae to Earth. The composite picture is a seamless blend of ultra-sharp NASA Hubble Space Telescope (HST) Advanced Camera for Surveys images combined with the wide view of the Mosaic Camera on the National Science Foundation's 0.9-meter telescope at... Topics: Helix Nebula, NGC 7293, What -- Earth, What -- Hubble Space Telescope (HST), What -- Advanced... Source: http://hubblesite.org/newscenter/archive/releases/2003/11/image/b/